93results about "Hammer drives" patented technology

The invention discloses a radial forging machine chuck rotation oscillation braking electro-hydraulic control system and method, and the control system comprises a position detection encoder installed on a hammer head of a forging main machine, a hydraulic servo motion controller, a high-frequency servo valve, an oscillation braking oil cylinder with the same area as an A cavity and a B cavity, and an oscillation braking device with a worm gear and a worm. The pressure sensor and the displacement sensor are integrated on the oil cylinder to form a closed-loop control loop; the control method comprises the following steps: activating an oscillation braking function and collecting hammer phase, oil cylinder pressure and displacement signals in real time; a sine control signal synchronous with the forging frequency is generated based on the brake phase of 270-360 degrees; a brake oil cylinder is driven to push the worm to axially move, and the rotating speed of the chuck is modulated through the helix angle characteristic; and the amplitude is dynamically adjusted through a displacement-pressure feedback signal, and 25MPa overrun protection is executed. The purposes of reducing the brake response delay rate, the forge piece distortion rate and the equipment impact load are achieved, and 90-620 times / min wide-frequency-domain forging is supported.

The invention relates to the technical field of forging control, in particular to an intelligent forging cooperative control system for a strain clamp, which is characterized in that full-band coupling analysis is carried out on acoustic signals of forgings through an acoustic multi-mode sensing module, and a material grain boundary slip characteristic quantity and a three-dimensional temperature field distribution map are synchronously generated; the local distortion of the temperature field is corrected by using the spatial distribution rule of the slip characteristic quantity; the phase change pre-judgment decision-making module converts the corrected temperature field into a thermal activation energy field, a grain boundary dynamic recombination response network is constructed by coupling the grain boundary slip characteristic quantity, and a pressure peak floating threshold value and a temperature maintaining window which are adaptively adjusted along with the phase change state are output; the cross-domain cooperative execution module constructs a double-rail driving mechanism in a forging loop, a main driving rail plans a forging hammer stroke curve based on a pressure peak floating threshold value, and an auxiliary feedback rail converts a grain boundary slip characteristic quantity into a dynamic correction factor to adjust an impact energy gradient; a window self-adaptive strategy is implemented in a temperature loop, and efficient focusing of energy in a superplastic deformation area is achieved.

The underlying invention relates particularly to a hydraulic forming machine, more particularly a forging hammer, for workpiece forming, comprising a hydraulic cylinder for driving a ram configured for workpiece forming, and a hydraulic circuit configured for operation of the hydraulic cylinder, wherein the hydraulic circuit has an actuator with an adjustably variable volume flow via which a first hydraulic working chamber of the hydraulic cylinder, used to accelerate the ram during the execution of a working stroke (A) for workpiece forming, can be provided with hydraulic fluid. The hydraulic circuit is configured to adjust and vary the volume flow of the valve or actuator, depending on a setpoint speed (Vsoll) of the ram to be achieved in an acceleration phase of a working stroke (A), and to optimize the subsequent movement phase.

The invention belongs to the technical field of forging equipment, particularly relates to a hollow variable-cross-section oil cylinder connecting piece preparation process and a forging device thereof, and aims to solve the problems of non-uniform blank stress, low punching efficiency, unsafety and inconvenience in blank taking in traditional forging. The technical scheme is as follows: a forging hammer drives a rack through a bearing plate, and a forging table rotates through a gear, a bevel gear ring and the like; the blank is uniformly stressed to finish upsetting; the electromagnet controls the pin rod to enable the nut block to rotate, and the push column is driven to move upwards to be matched with the forging hammer for punching. By means of the device, the blank can be evenly forged, automatic punching can be achieved, the blank can be conveniently taken out, the forging quality and efficiency of the hollow variable-cross-section oil cylinder connecting piece are improved, and the safety of workers is guaranteed.

The invention discloses forging equipment for a container body, which relates to the technical field of container manufacturing and comprises a forging table, an ejection mechanism for demoulding a hinge is arranged at the bottom of a die of the forging table, and a pushing mechanism for pushing the forged hinge away from the forging table is arranged in the middle of the forging table. A throwing mechanism for spraying a release agent is arranged in the material pushing mechanism, a pre-pressing mechanism for preventing the hinge blank from deviating is arranged at the top of the forging table, and a blowing-off mechanism for cleaning hinge blank residues in a mold is further arranged in the middle of the forging table. The ejection mechanism can automatically push the forged hinge out of a mold cavity during return stroke of the forging hammer, demolding can be conducted without manual knocking or auxiliary tools, equipment shutdown or operation delay caused by demolding difficulty due to mold sticking is avoided, on the basis of spraying a demolding agent, the ejection mechanism further guarantees smooth demolding, and the demolding efficiency is improved. And the method is particularly suitable for complex forgings under high temperature and high pressure.

The invention relates to the technical field of steel ingot through forging, in particular to a large-section steel ingot diameter forging four-hammerhead intelligent cooperative deformation and through forging control method. The method comprises the following steps: acquiring pressure data of each hammer head in a steel ingot forging process and hammer falling duration from falling to contacting with a steel ingot; according to the pressure data difference and the drop hammer duration difference of the symmetric hammer heads under the same dislocation forging frequency, evaluating the symmetric hammer pressure unbalance of each dislocation forging; according to the hammer drop duration, the pressure data and the symmetrical hammer pressure unbalance of each staggered forging of each hammer head, the forging ideal degree of each staggered forging of each hammer head is obtained; according to the dislocation influence condition between the hammer heads and the forging ideality difference of the adjacent hammer heads, the dislocation pressure adjusting factor of each time of dislocation forging of each hammer head is determined; and the dislocation pressure adjusting factor is utilized to obtain the drop hammer force adjusting weight of each hammer head, and then the pressure of each hammer head during next forging is regulated and controlled. The forging effect of the large-section steel ingot is improved.

The utility model discloses a ball valve forging device with high stability, which comprises a forging shell, a forging component and a limiting component, the forging component used for forging a ball valve is mounted on the outer wall of the rear side of the forging shell, the limiting component used for fixing the ball valve is connected to the inner side of the forging shell, and the limiting component comprises a mounting seat. The outer wall of the mounting base is connected with the inner wall of the forging shell, and a mounting groove and a spherical groove are formed in the top side of the mounting base. The second hydraulic cylinder, the telescopic rod and the clamping plate are arranged at the top of the fixing plate, after the spherical valve to be forged is placed on the inner sides of the spherical groove and the mounting groove, the second hydraulic cylinder is controlled, the telescopic rod drives the clamping plate to move towards the spherical valve, and the spherical valve is limited and fixed; and deviation of the ball valve caused by high impact force of the forging hammer in the forging process is prevented, so that the forging precision of the ball valve is reduced, meanwhile, waste of materials is reduced, and the cost is saved.

The invention discloses a silverware hammering device, and relates to the technical field of processing equipment, the silverware hammering device is characterized in that two through grooves are formed in a supporting table, the through grooves are formed in the length direction of the supporting table, and the through grooves are used for placing silver materials to be hammered. The hammering structure comprises a driving box, a supporting seat, a sleeve, a lifting rod, two hammer heads and a driving assembly, the supporting seat is arranged at the bottom in the driving box, a groove is formed in the top of the supporting seat, the sleeve is horizontally connected into the groove, the two ends of the sleeve are rotationally connected with the side wall of the groove, and the middle of the lifting rod is fixed to the side wall of the sleeve; the two hammerheads are hinged to the side wall of the lifting rod, two through holes are formed in the bottom of the driving box, the two hammerheads are arranged in the two through holes in a penetrating mode and located above the through groove, the driving assembly is provided with an output end, and the output end of the driving assembly is connected with the lifting rod. The silver material hammering device has the advantages that two or more silver materials can be hammered at the same time, time is saved, and the overall working efficiency is improved.

The invention relates to the technical field of pulverizer blades, in particular to pulverizer blade forging equipment which comprises a supporting seat, a supporting rod is fixedly connected to the surface of the supporting seat, a top plate is fixedly connected to the top of the supporting rod, a lower die is fixedly connected to the surface of the supporting seat, and a forging hammer is arranged at the top of the lower die. The forging hammer is located at the bottom of the top plate. An impact mechanism, a pushing mechanism and a jacking mechanism are arranged on the surface of the top plate; the impact mechanism comprises a rotating disc and a first connecting plate. A first rotating rod drives a rotating disc to rotate, a first connecting block and a movable rod rotate along with the rotating disc, a first movable groove is formed, the movable rod can drive a first connecting plate to vertically move on the inner side of a top plate, and then lifting of a forging hammer can be achieved; and through the lifting effect of the forging hammer, a workpiece on the lower die can be conveniently impacted, so that the crushing machine blade can be forged.

The utility model relates to the technical field of air forging hammer forging supporting, in particular to an air forging hammer forging supporting device which comprises a machine base, a forging hammer machine and a forging table are connected to the machine base, a mounting plate is arranged on the machine base in a sliding mode, a first driving mechanism is arranged on the machine base, and a first mounting base is connected to the mounting plate. A second mounting seat is connected to the first mounting seat, a rotating disc is rotatably connected between the first mounting seat and the second mounting seat, a rotating mechanism is arranged on the mounting plate, a first movable plate and a second movable plate are slidably arranged on the rotating disc, a second driving mechanism is arranged on the rotating disc, and grooves are formed in the first movable plate and the second movable plate; the grooves are located in the opposite side walls of the first movable plate and the second movable plate, and clamping plates are connected into the grooves and are right-angle plates. The supporting device has the function of solving the problems that a workpiece needs to penetrate through the space between the two clamping parts of the supporting device, so that operation of workers is inconvenient, and danger exists.

The invention discloses a rotor forge piece forging device which comprises a base, and a die is arranged at the top of the base; the forging mechanism lifts the hammerhead and then releases the hammerhead in a free falling manner, and the hammerhead freely falls to the blank on the die; the adjusting mechanism comprises a spring and an adjusting assembly, and the adjusting assembly is used for adjusting the initial elongation of the spring; when the hammer head rises, the spring is stretched based on the initial elongation to accumulate corresponding potential energy, when the hammer head freely falls, the stored energy of the spring is released, the hammer head is pulled to fall in an accelerated mode, and hammer forging of blanks on the die is achieved in a reciprocating mode. When different types of rotor forgings are replaced and different hammer forging forces are needed, only the initial elongation needs to be rotated and adjusted, and operation is easy and convenient.

The invention discloses a precision forging device and a working method thereof, and relates to the technical field of precision forging devices.The precision forging device comprises a mounting rail, a feeding mechanism, a clamping assembly, a forging assembly, a cleaning assembly and a lifting sensing assembly. The feeding mechanism drives the blank to move and rotate in the forging furnace; the lifting sensing assembly detects the position of the blank, the forging mechanism is controlled to only forge the middle high-temperature area of the blank, and cracks in the end low-temperature area are avoided; the cleaning assembly automatically removes surface waste residues in the forging process. The alarm system monitors the forging quality in real time. Automatic and precise forging of blanks is achieved, the forging quality and the material utilization rate are remarkably improved, and the precise forging device has the advantages of being reasonable in structure, convenient and fast to operate, easy to maintain, wide in adaptability and the like and is suitable for precise forging production of high-precision metal parts.

The invention relates to a method for forging a forged workpiece (2) in a forging press (3), preferably designed as an open die forging press or a radial forging press, the method comprising manipulating the forged workpiece (2) by means of a workpiece manipulator (1) having a workpiece clamp (5), the workpiece clamp (5) having a chuck (6), the chuck defines a clamping axis (S) for the forging workpiece (2), and wherein the workpiece manipulator (1) performs a linear translational movement together with the forging workpiece between the stamping strokes of the forging press (3), the method further comprises determining the position of at least one end (4) of the forged workpiece (2) clamped into the workpiece clamp (5) on the clamping axis (S) relative to a reference point on the forging press (3), in particular relative to a mold of the forging press (3), by means of at least one measuring system arranged on the workpiece clamp (5) or on the workpiece clamp (5). The invention also relates to a workpiece manipulator (1) for the method according to the invention.

The present application relates to the technical field of ingot forging, and particularly relates to a large-section ingot diameter forging four-hammer-head intelligent collaborative deformation and forging penetration control method. The method comprises the following steps: obtaining pressure data of each hammer head in the ingot forging process and hammer drop duration from falling to contacting the ingot; evaluating the symmetric hammer pressure imbalance of each staggered forging according to the pressure data difference and hammer drop duration difference of the symmetric hammer heads under the same staggered forging frequency; obtaining the forging ideal degree of each staggered forging of each hammer head according to the hammer drop duration, pressure data and symmetric hammer pressure imbalance of each staggered forging of each hammer head; determining the staggered pressure adjustment factor of each staggered forging of each hammer head according to the staggered influence between the hammer heads and the difference between the forging ideal degrees of the adjacent hammer heads; and obtaining the hammer force adjustment weight of each hammer head by using the staggered pressure adjustment factor, so as to regulate the pressure of each hammer head in the next forging. The present application improves the forging effect of the large-section ingot.

The utility model discloses a rotary swaging mechanism for tungsten alloy bars, and relates to the technical field of metal processing equipment. Comprising a processing seat which is provided with a drum, a positioning groove and a limiting frame, and a forging hammer part is arranged on the opening side of the drum. And the clamping part in the rotary drum forms an elastic clamping structure by utilizing an inserting barrel, a sliding rod, a clamping arc plate, an outer plate and an extension spring so as to clamp the tungsten alloy bar. The driving component adopts a speed reducing motor as a power source, and the rotating drum and the forging hammer shaft are driven to rotate through meshing transmission of an incomplete gear on a driving shaft and a first straight gear and meshing transmission of a third straight gear and a second straight gear. During operation, the gear motor drives the driving shaft, so that the rotating drum rotates to drive bars to rotate intermittently, and meanwhile, the forging hammer shaft drives the hammer to continuously forge the bars. Integration of a tungsten alloy bar rotating procedure and a forging hammer procedure is achieved through a single power source.

The invention discloses a metal forging system and method based on electromagnetic or mechanical driving and closed force flow. The system comprises a rigid force bearing frame, a power acceleration device, a kinetic energy hammer and a position recovery device, the power acceleration device is used for driving the kinetic energy hammer to impact a workpiece fixed on a frame forging station, and the force bearing frame is of a closed structure and is used for forming a closed-loop force flow by acting force and counter-acting force generated by forging impact inside; the position recovery device is configured in a transient pulse power mode or a continuous power mode to accommodate a microgravity or ground environment. The system may optionally be integrated with a scrap management unit. The problems of recoil force management, efficient reset, waste chip treatment and equipment light weight in space forging are solved.

The present application belongs to the technical field of radial forging machine control, and specifically relates to a high-precision radial forging machine control system and a control method thereof, which comprises the following steps: establishing a process parameter database, synchronously collecting dynamic parameters of a forging process through a multi-source heterogeneous sensor, acquiring a workpiece surface temperature field distribution through an infrared thermal imager, measuring a radial deformation amount through a laser displacement sensor group, and capturing material internal defect features through an acoustic emission sensor; calculating an optimal forging frequency according to real-time material rheological characteristics, generating a hammer head motion trajectory correction amount through a model predictive control algorithm; implementing dynamic compensation control, adjusting a hydraulic system back pressure through strain rate feedback, executing closed-loop quality evaluation, performing online metallographic analysis during a forging intermittent period, reversely correcting process parameters according to a grain size detection result, and predicting a workpiece fatigue life based on a digital twin model; and the present application has real-time dynamic control over the entire forging process, effectively eliminates errors and deviations, and leads to the effect of improving forging precision.

The underlying invention relates particularly to a hydraulic forming machine (1), more particularly a forging hammer (1), for workpiece forming, comprising a hydraulic cylinder (4) for driving a ram (2) designed for workpiece forming, and a hydraulic circuit (8) designed for operation of the hydraulic cylinder (4), wherein the hydraulic circuit (8) has an actuating member (12) with an adjustably variable volume flow via which a first hydraulic working space (9) of the hydraulic cylinder (4) used to accelerate the ram (2) during the execution of a working stroke (A) for workpiece forming can be provided with hydraulic fluid. The hydraulic circuit (8) is designed to adjust and to vary the volume flow of the valve (12) or actuating member depending on a target speed (Vsoll) of the ram (2) to be achieved in an acceleration phase of a working stroke (A) and to optimise the subsequent movement phase.

The invention discloses a precision forging mechanism and a precision forging method thereof, and relates to the technical field of forging mechanisms, and the precision forging mechanism comprises a forging furnace, a forging mechanism, a cleaning assembly, a lifting sensing assembly and a master control system. The forging mechanism adopts a hydraulic telescopic cylinder to drive a hammering head, and dust is effectively isolated through a telescopic protective sleeve, so that a hydraulic system is prevented from being polluted and leaked. The cleaning assembly automatically blows away oxide skin and impurities on the surface of the forge piece through forging reciprocating motion, and the surface quality is improved. The lifting sensing assembly and the master controller cooperate to automatically recognize a blank temperature suitable section, the forging area is accurately controlled, and cracks generated at the low-temperature end during forging are avoided. The system also has real-time quality detection and alarm functions, and supports defect remelting and rerepairing. The mechanism has multiple functions of automatic forging, on-line cleaning, intelligent quality control and high-temperature protection, the consistency of forgings, the material utilization rate and the production efficiency are remarkably improved, and the mechanism is suitable for automatic precision forging production of high-precision forgings.

The invention relates to the technical field of alloy forging, in particular to alloy workpiece forging forming equipment. According to the technical scheme, the forging machine comprises a rack, a forging base table and a shell, the forging base table and the shell are installed on the rack, a driving assembly and a forging assembly are arranged on the rack, and the forging machine further comprises a transmission assembly connected to the forging assembly; the guide assembly is arranged in the shell and is connected with the forging assembly through the transmission assembly; the mounting assembly is connected with the rack through a reset assembly and is movably connected with the guide assembly; the cleaning assembly is mounted on the mounting assembly through a rotating assembly; the air supply assembly is connected with the guide assembly and the cleaning assembly. The cleaning structure is driven in a linkage mode through the forging action, cooperative linkage of cleaning and forging operation is achieved, an additional power source is not needed, the structure is compact, the problem that oxide skin cannot be cleaned in time in the forging process is solved, and the forging quality and efficiency are improved.

This invention relates to the field of forging control technology, specifically to an intelligent forging collaborative control system for tension clamps. This system uses an acoustic multimodal sensing module to perform full-band coupling analysis of the acoustic signal from the forging, simultaneously generating material grain boundary slip characteristics and a three-dimensional temperature field distribution map. It then uses the spatial distribution law of the slip characteristics to correct local distortions in the temperature field. A phase transformation prediction and decision module converts the corrected temperature field into a thermally activated energy field, couples the grain boundary slip characteristics to construct a grain boundary dynamic recombination response network, and outputs a pressure peak floating threshold and a temperature maintenance window that adaptively adjust with the phase transformation state. A cross-domain collaborative execution module constructs a dual-track drive mechanism in the forging circuit. The main drive track plans the forging hammer stroke curve based on the pressure peak floating threshold, while the secondary feedback track converts the grain boundary slip characteristics into a dynamic correction factor to adjust the impact energy gradient. A window adaptive strategy is implemented in the temperature circuit to achieve efficient focusing of energy in the superplastic deformation zone.

The utility model discloses a hydraulic hammer cold forging device in the related technical field of cold forging, which comprises a main frame and a support box seat I. A movable sliding chute is arranged in the middle of the main frame along the length direction, and a support box seat II is arranged on one side of the movable sliding chute far away from the support box seat I; a guide sliding groove is formed in the side face of the side, close to the movable sliding groove, of the first supporting box base, a sliding base is slidably connected and installed in the guide sliding groove, a hydraulic forging hammer is installed in the sliding base, and an installation groove is formed in the side face of the side, close to the movable sliding groove, of the second supporting box base. A plurality of cold forging stations are arranged on the main machine frame, the supporting blocks can be driven to move through the transmission lead screws among the stations, products can move among the stations, the cold forging machining process is simplified, cold forging multi-procedure machining of the products is achieved, the auxiliary time of procedure circulation and clamping is effectively shortened, and the cold forging machining efficiency is improved.

A forging device for hot forming a cast forging block (1) is described, comprising radially guided forging dies (5), each having two die parts (7, 8) that can be displaced radially relative to each other, the inner die part (7) carrying a forging tool (2) being connected to the other outer die part (8) by means of a hydraulic cylinder (9), an eccentric drive (14) which drives the outer die part (8), the eccentric shaft (15) of which is connected to an electric motor via a coupling (23), and a pump (28) driven by the electric motor for supplying pressure to the hydraulic cylinder (9) between the inner and outer die parts (7, 8).In order to create advantageous design conditions, it is proposed that an electric motor be a torque motor (19) designed as an internal rotor, coaxial to the eccentric shaft (15), the rotor (20) of which is rotatably mounted on the eccentric shaft (15) or an eccentric shaft extension (21) following a drive flange (22) of the eccentric shaft (15), and that the coupling (23) is arranged between the rotor (20) and the drive flange (22).

An impact tool includes a cylindrical body having an internal chamber, a piston assembly positioned within the internal chamber, the piston assembly having a piston base and a piston rod, an adapter arranged on the cylindrical body and having external threads, and a location tip assembly having an opening and having internal threads couplable to the adapter by engaging the external threads relative to the internal threads to create a threaded connection, the threaded connection allows the location tip assembly to be moved axially to a selectable height. An impact tip coupled to an end of the piston rod. Upon introduction of pressurized air within the internal chamber, the piston assembly moves axially towards the adapter causing the impact tip to move axially through the opening towards a surface resulting in impact with the surface to be dented.

The invention discloses a forging and pressing device for machining mechanical parts, which relates to the technical field of part machining and is composed of a bottom plate, a rectangular side plate, a Z-shaped side plate, a rectangular transverse plate, a lifting plate, a fixed column, a forging and pressing hammer head, a fixed shaft, rectangular channel steel, a rectangular sliding block, a hollow hexagonal disc, a clamping mechanism and the like. The clamping mechanism has the obvious advantages that firstly, the clamping mechanism accurately positions a part and firmly clamps the part in the center of a hollow hexagonal disc by utilizing an arc-shaped clamping plate through an electric telescopic cylinder, a T-shaped sliding block and the like, so that the position accuracy is ensured, displacement is prevented, the machining stability is improved, and the service life of the device is prolonged; during forging and pressing, the forging and pressing hammerhead reciprocates, lifts and rotates to apply pressure to high-temperature parts, so that the high-temperature parts are shaped, and the material performance is improved; and thirdly, the servo motor is high in control efficiency, and can adapt to different parts by adjusting the lead screw and eccentric design, so that the production efficiency and the universality are improved.

The utility model discloses an ultra-fine grain semi-high speed steel cold roll blank forging device which comprises a forging machine frame, an air cylinder is fixedly installed at the top end of the forging machine frame, a base is integrally and fixedly installed at the bottom of the forging machine frame, anvil blocks are installed in the base at equal intervals in a sliding mode, and a hammer head is installed at the movable end of the air cylinder. An anvil block and a hammer head with specific sizes are selected according to the size of a to-be-machined cold roll, the anvil block slides to the position below the air cylinder along the interior of the base, the position of the anvil block is fixed, then the hammer head and the mounting plate are fixedly mounted, and when a cold roll blank is forged, the end of the cold roll blank is arranged in the shaping hole, so that the end of the cold roll blank is fixed. According to the cold roll forging device, the end size of a cold roll can be accurately forged, the forging efficiency of an ultra-fine grain semi-high-speed steel cold roll blank is improved, when cold rolls of different sizes are forged, proper anvil blocks and hammer heads are replaced, the cold rolls of different sizes can be forged, and the use range of the device is widened.

The present application relates to flange forging platform technical field, specifically is a kind of self-clamping transposition machine tool spindle flange forging platform and its transposition method, including the platform being arranged on the frame, the upper portion of platform is provided with holder, holder is provided with the forging hammer for being used to the flange of main shaft is forged, first spindle is rotatably arranged on the frame, first spindle is cooperated with holder by first linkage mechanism, first spindle rotates while driving holder vertically moves up and down to drive forging hammer vertically reciprocating moves up and down;Slot is rotatably arranged on the platform, a plurality of arc-shaped clamps are arranged on the slot at equiangular circumferential distribution, a plurality of arc-shaped clamps can be synchronized to expand or gather to clamp and fix the flange of main shaft placed on the slot, the present application adopts the way of circumferential clamping and can be fixed in all directions to workpiece, can be adapted to different diameter flange simultaneously, need not frequently change clamp, in addition, by intermittent automatic rotation workpiece, ensure forging quality, efficiency is high.

The utility model discloses a horizontal radial forging machine, which relates to the technical field of radial forging equipment and comprises a shell, a hammer seat and a hammer head, baffles are connected to two sides and the outer surface of the hammer seat, bolts penetrate through two sides of the baffles, threaded sleeves are fixed outside the bolts, and the top of the hammer head is respectively connected with a limiting block and a supporting block. Through the arrangement of the plug pin, the threaded sleeve, the limiting block and the supporting block, the limiting block and the supporting block are inserted into the hammer seat, then the plug pin transversely penetrates through the hammer seat, and the threaded sleeve is connected with the limiting block by rotating the plug pin so as to limit the limiting block, so that the installation operation is completed; the limiting block is matched with the supporting block to prevent the hammer from moving up, down, left, right and backward and falling off, the bolt is matched with the threaded sleeve to prevent the hammer from falling off forwards, and rapid installation is facilitated; during dismounting, the bolt is rotated reversely, so that the threaded sleeve is separated from the limiting block, and then the bolt is pulled out, so that the hammer head can be directly taken down from the hammer seat; the structure is simple, and dismounting is fast and convenient.